PHOTORECEPTOR DRUM FOR TANDEM TYPE COLOR IMAGE FORMING APPARATUS, METHOD FOR DISPOSING IT, AND TANDEM TYPE COLOR IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a photoreceptor drum for a tandem type image forming apparatus which is extremely advantageous in obtaining a clear image without having a slippage of image and an image blurring.

SOLUTION: Respective photoreceptor drums 6 have diameters D which are mutually the same, and are formed so that the level of deviation in a radial direction by taking a center axis L connecting the centers of the axial supporting parts 1610 and 1810 of first and second flange members 16 and 18 as a reference is set ≤30 μm. Four photoreceptor drums 6 are disposed so that a difference between the angle difference of arbitrary two photoreceptor drums 6 out of four photoreceptor drums 6 in a deviation direction and an angle difference corresponding to a surplus at the time of dividing the axle-to- axle distance of two photoreceptor drums 6 by the peripheral length πD of the photoreceptor drum 6 is within the range of ±45°.

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